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<title>Joint Data Set Element</title>
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<h1>JointDataSet</h1>
<p>Represents a data set joined by serveral data sets on respective join conditions.</p>

<h3>Description</h3>
<p>Data sets involved in a join can be of any data source type, heterogeneous or homogeneous.
JointDataSet represents such a join result.</p>
<p>A joint data set contains the source data sets by which it's joined and the join conditions on which
 the source data sets are joined.</p>

<h3>XML Summary</h3>
<h3>See Also</h3>

<!--<h2 class="property">dataSets</h2>

<p>Names of the data sets.</p>

<h3>Description</h3>
<p>The name of the data sets by which this joint data set is joined. These data sets are defined by DataSet element.</p>

<h3>See Also</h3>
<p>DataSet element in the <i>ROM Styles Specification</i>.</p>-->

<h2 class="property">joinConditions</h2>

<p>The join conditions on which the source data sets joined.</p>

<h3>Description</h3>
<p>The join conditions on which the source data sets joined.
Each join condition specify two data sets, which join on this condition, and the type of this join.
The left expression, right expression and operator constitute the condition.</p>
</p></p></p>

<h3>See Also</h3>
<p><code>DataSetParam structure</code></p>
<p><code>ParamBinding structure</code></p>
<h2 class="property">resultSet</h2>
<p>Defines the columns of the expected result set.</p>
<h3>Description</h3>
<p>Defines the data access attributes of&nbsp;the list of columns in the expected primary result set. This is an optional list of result set column definitions, used only when the underlying data provider cannot provide this information.&nbsp;When contradicting meta-data are found between those provided dynamically by a data provider and&nbsp;those specified in a data set definition, the data provider&iuml;&iquest;&frac12;s meta-data takes precedence.</p>
<h3>See Also</h3>
<p><code>ResultSetColumn structure</code></p>

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